22542001252 has 24 divisors (see below), whose sum is σ = 41325379200. Its totient is φ = 10744589856.

The previous prime is 22542001133. The next prime is 22542001277. The reversal of 22542001252 is 25210024522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220758 + ... + 1239085.

It is an arithmetic number, because the mean of its divisors is an integer number (1721890800).

Almost surely, 2^22542001252 is an apocalyptic number.

It is an amenable number.

22542001252 is a deficient number, since it is larger than the sum of its proper divisors (18783377948).

22542001252 is a wasteful number, since it uses less digits than its factorization.

22542001252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459955 (or 2459953 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 22542001252 its reverse (25210024522), we get a palindrome (47752025774).

The spelling of 22542001252 in words is "twenty-two billion, five hundred forty-two million, one thousand, two hundred fifty-two".